18890704

素因数分解:

$2^4\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1117}}^1$

素因数の和:1283

約数の個数: 40

約数和(自身を含む): 42144128

約数和(自身を除く): 23253424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 151, 302, 604, 1057, 1117, 1208, 2114, 2234, 2416, 4228, 4468, 7819, 8456, 8936, 15638, 16912, 17872, 31276, 62552, 125104, 168667, 337334, 674668, 1180669, 1349336, 2361338, 2698672, 4722676, 9445352, 18890704]

約数ペア:

[(1, 18890704), (2, 9445352), (4, 4722676), (7, 2698672), (8, 2361338), (14, 1349336), (16, 1180669), (28, 674668), (56, 337334), (112, 168667), (151, 125104), (302, 62552), (604, 31276), (1057, 17872), (1117, 16912), (1208, 15638), (2114, 8936), (2234, 8456), (2416, 7819), (4228, 4468)]